Looks Can Deceive! Here's a List of Poisonous Flowers With Pictures

If you have small children and pets at home, poisonous flowers should not be planted in the garden or as houseplants. In this article, you will find the names of some flowers that are poisonous and must never be ingested.

Gardenerdy Staff

Last Updated: Feb 17, 2018

Did You Know?

In 1785, the English botanist William Withering published 'An Account of the Foxglove and some of its Medical Uses' which revealed how the digitalin extracted from the plant's leaves, helped subside swelling caused by dropsy or congestive heart failure.

Plants form an indispensable part of our diet. However, there are several varieties that contain toxic chemicals, which after ingestion may prove poisonous for to both humans and animals. Take the example of 'Oleander shrubs' which are often grown as an ornamental plants. Its blooms are enlisted as one of the most poisonous flowers in the world. Hence, it is very important for all of us to identify such toxic plants and flowers before we introduce them into our gardens or gift them to loved ones. This Gardenerdy article lists and discusses some common poisonous flowers that should be kept away from pets and humans.

List of the Most Poisonous Flowers in the World

While laying out a flower garden, you should take note of the poisonous flowers beforehand. This step is even more important if you are a pet owner. With pets, the risk is high even if you train them to not venture near your plants. Listed below are some of the most harmful flowers that may be found in gardens and native flora near you.

Note:Only the most active toxins, popular common names, and known adverse affects have been mentioned for each flower.

Angel's Trumpet

Scientific NameBrugmansia

Other Common NamesCharles Grimaldi, Dr. Seuss, and Frosty Pink

Toxins PresentScopolamine, hyoscyamine, and atropine.

Adverse EffectsParalysis, diarrhea, or fatality

Anthurium

Scientific NameAnthurium spp.

Other Common NamesFlamingo Flower, Tailflower and Boy Flower

Toxins PresentRaphides

Adverse EffectsEdema, dysphagia, and swelling in the tongue and throat.

If you have pets at home, you should avoid planting the aforementioned flowers in the vicinity of the house. The best way is to consult a horticulturist and seek advice regarding flowers that are harmful for dogs, cats, and other pets.